otherwise
The adverb youthfully begins with the letters YOU. It is apparently the only one.
Pumpkin is the fruit you are looking for. It contains 7 letters and begins with the letter P.
Pike is a fish species. It begins with P and contains 4 letters.
* heaven * hasten
whitefish, washcloth
One adverb that begins with "phon" is "phonetically," which relates to pronunciation or the sounds of speech.
Heroin
lightly
herein herein
regular speech
ably
i dont no the abnswer